On Thu, Apr 12, 2018 at 12:55:39PM -0700, Francisco Jerez wrote: > Actually assuming that a single geometric feature of the power curve is > known -- it being convex in the frequency range allowed by the policy > (which is almost always the case, not only for Intel CPUs), the optimal > frequency for an IO-bound workload is fully independent of the exact > power curve -- It's just the minimum CPU frequency that's able to keep > the bottlenecking IO device at 100% utilization.
I think that is difficult to determine with the information at hand. We have lost all device information by the time we reach the scheduler. _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
